• 专利附录
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    • 专利摘要:
    The invention relates to an artificial tree, comprising a plurality of tree trunk sections, the trunk sections forming a trunk of the artificial tree comprising: a first trunk section comprising: a male end of the first trunk section comprising a plurality of distinct radially extending coupling members; and a central male broach and a throat male broach, the central male broach and the throat male broach being configured to conduct an electric current, and a second trunk section comprising: a female end of the second trunk section comprising a plurality separate radially extending coupling elements; and a central contact device at least partially arranged in a central receiving void and a throat contact device, at least partially arranged in a throat receiving void; furthermore, the central pin is configured to be connected with the central contact device and the throat pin is configured to be connected with the throat contact device in a plurality of configurations, each configuration allowing for a different rotational alignment between the first trunk section and the second trunk section. in addition, the two trunk sections are connected so as to be in electrical communication, the first coupling elements of the spigot end and the second coupling elements of the spigot engaging in such a manner as to prevent the two trunk sections to turn relative to each other
    公开号:FR3064901A1
    申请号:FR1852965
    申请日:2018-04-05
    公开日:2018-10-12
    发明作者:Chi Yin Alan LEUNG；Ricky Tong；Chi Kin Samuel Kwok；Chang-Jun He
    申请人:Polygroup Macau Ltd BVI；
    IPC主号:
    专利说明:

    Holder (s): POLYGROUP MACAU LIMITED.
    Extension request (s)
    Agent (s): IPSIDE.
    CONSTRUCTION OF A SHAFT WITH ELECTRICAL SUPPLY.
    FR 3 064 901 - A1
    The invention relates to an artificial tree, comprising a plurality of tree trunk sections, the trunk sections forming a trunk of the artificial tree comprising: a first trunk section comprising:
    a male end piece of the first trunk section comprising a plurality of separate radially extending coupling elements; and a central male pin and a male groove pin, the central male pin and the male groove pin being configured to conduct an electric current, and a second trunk section comprising:
    a female end piece of the second trunk section comprising a plurality of separate coupling elements extending radially; and a central contact device at least partially arranged in a central receiving void and a throat contact device, at least partially arranged in a throat receiving void;
    furthermore the central male pin is configured to be connected with the central contact device and the male groove pin is configured to be connected with the groove contact device in a plurality of configurations, each configuration allowing for different rotational alignment between the first trunk section and the second trunk section.
    in addition the two trunk sections are connected, so as to be in electrical communication, the first coupling elements of the male end piece and the second coupling elements of the female end piece engaging so as to prevent the two trunk sections to rotate relative to each other
    1000
    100
    i
    CONSTRUCTION OF A POWERED SHAFT
    REFERENCE TO A RELATED APPLICATION AND PRIORITY CLAIM This application claims the benefit, under section 35 USC § 119 (e), of provisional US patent application ri 61/552 944, filed October 28, 2011, entitled "Construction of an electrically powered shaft", the entire content and content of which is incorporated herein by reference in its entirety as if it were fully described in detail below.
    FIELD OF THE INVENTION
    The embodiments of the present invention relate generally to current transmission systems, and more particularly to current transmission systems for use with artificial trees, such as artificial Christmas trees.
    BACKGROUND
    As part of the celebration of Christmas, many people have the habit of installing a evergreen fir or tree in their house and decorating it with decorations, lights, garlands, light garlands and the like. However, natural trees can be very expensive and some people see them as a waste of environmental resources. In addition, natural trees can be messy, leaving both sap and needles when removed, and they need water to avoid drying out and causing a fire hazard. Whenever you get a natural tree, you have to decorate it, and at the end of Christmas time you have to remove the decorations. Since the needles are likely to have dried and may be very sharp by that time, removing the decorations can be a painful operation. In addition, natural trees are often deposited in landfills, which contributes to polluting these congested environments.
    To overcome the drawbacks of a natural Christmas tree, while still incorporating a tree into Christmas celebrations, a wide variety of artificial Christmas trees are available. For the most part, these artificial trees must be assembled for use and dismantled after use. Artificial trees have the advantage of being able to be used over several years and thus avoid the annual expense of buying live trees for the short holiday season. In addition, they help reduce the felling of trees for temporary decoration, and their subsequent disposal, usually at a landfill.
    In general, artificial Christmas trees have a multitude of branches, each made up of a plurality of plastic needles held together by twisting a pair of threads around them. In other cases, the branches are formed by twisting a pair of wires around an elongated plastic sheet having a large multitude of transverse slots. In still other artificial Christmas trees, the branches are formed by plastic injection molding.
    Regardless of the shape of the branch, the most common form of artificial Christmas tree includes a plurality of trunk sections that can be connected to each other. For example, in many designs, first and second trunk sections each include an elongated body. A first end of the body includes a receiving portion (eg, a female end piece) and a second end of the body comprises an extending portion (eg, a male end piece). In general, the body is a cylinder. Near the second end, the body tapers slightly to reduce the diameter of the body. In other words, the diameter of the first end, that is to say of the receiving part, is larger than the diameter of the second end, that is to say of the part in extension. To connect the trunk sections, the first end of a first trunk section receives the second end of a second trunk section. For example, the tapered end of the first trunk section is inserted into the non-tapered end of a second trunk section. In this way, a plurality of trunk sections can be connected and a tree can be assembled.
    However, a difficulty encountered during assembly relates to the rotational alignment of the trunk sections. In some designs, the trunk sections include electrical systems. Electrical systems allow electricity to flow through the trunk of the tree and into accessories that can be plugged into outlets on the trunk. However, to connect adjacent trunk sections, the electrical pins of one trunk section must be rotated and inserted into the electrical slots of another trunk section. This alignment process can be frustrating because it can be difficult for a user to determine if the pins will engage in the slots when the trunk sections are connected to each other. It may therefore take several attempts for a user to be able to electrically connect two trunk sections.
    Therefore, there is a need for a current transmission system for an artificial tree that allows a user to connect adjacent tree trunk sections without the need to rotate the trunk sections. Embodiments of the present invention meet this need as well as other needs which will appear on reading the description below in support of the drawings.
    SHORT SUMMARY
    Briefly described, the embodiments of the present invention include a current transmission system to facilitate the transmission of electric current between sections of tree trunk of an artificial tree. The current transmission system can advantageously allow neighboring tree trunk sections to be electrically connected without the need to rotate the tree trunk sections during assembly. Embodiments of the present invention can therefore facilitate the assembly of an artificial tree, reducing user frustration during the assembly process.
    In some embodiments, the current transmission system may include a first current distribution subsystem disposed within a first trunk section of an artificial tree. The current transmission system may further include a second current distribution subsystem disposed within a second trunk section of an artificial tree. The first current distribution subsystem may include a male tip with electrical pins and the second current distribution subsystem may include a female tip with electrical voids. Pins can be inserted into voids to conduct electricity between the power distribution subsystems, and therefore between the trunk sections of the tree.
    To allow adjacent tree trunk sections to be electrically connected without the need to rotate the trunk sections, the male end fitting may include a center pin and a groove pin. Likewise, the female end piece may include a central void and a throat void. The central vacuum can be located near the center of the female end piece, and the throat vacuum can be a circular vacuum arranged around the central vacuum. When the trunk sections are connected, the central pin can be inserted into the central void. Likewise, the groove pin can be inserted into the groove void. However, since the groove void is circular, the groove pin can be inserted into the groove void at different locations around the groove void. As a result, the male end cap can engage the female end cap in different rotational configurations, and each configuration can provide a different rotational alignment between the first trunk section and the second trunk section. More specifically, the first trunk section can engage electrically in the second trunk section regardless of the rotation relationship between the two sections.
    Embodiments of the present invention may include an artificial tree comprising a plurality of tree trunk sections. Trunk sections can form the trunk of the artificial tree. A first current distribution subsystem may be disposed within an internal void of a first trunk section of the plurality of tree trunk sections, and the first current distribution subsystem may include a male end cap having a center pin and a throat pin. A second current distribution subsystem may be disposed within an internal void of a second trunk section of the plurality of tree trunk sections, and the second current distribution subsystem may include a female end piece having a central void and a throat void. In certain embodiments, the central pin of the male end piece can be configured to engage in the central vacuum of the female end piece and the throat pin of the male end piece can be configured to engage in the void groove of the female end piece to conduct electricity between the first current distribution subsystem and the second current distribution subsystem.
    In some embodiments, the throat pin of the male end piece can be configured to engage in the throat void of the female end piece in different locations. In some embodiments, the groove pin of the male endpiece can be configured to engage in the groove void of the female endpiece in a plurality of configurations, and each configuration may allow for different rotational alignment between the first trunk section and the second trunk section.
    In some embodiments, the throat space of the female end piece may be essentially circular. The central vacuum of the female end piece can be arranged near the center of the essentially circular groove vacuum.
    In some embodiments, a safety cover can obstruct access to the throat space.
    In certain embodiments, the central pin of the male end piece can engage in a central contact device, and the central contact device can comprise one or more flexible contact sections which abut against the central pin.
    In some embodiments, a plug can be disposed on a trunk section, and the plug can be configured to supply electrical energy to a light string. In some embodiments, alignment mechanisms may prevent the first trunk section from rotating relative to the second trunk section.
    In some embodiments, the first trunk section may include an inner sleeve near one end of the first trunk section, and a second trunk section may include an outer sleeve near an end of the second trunk section . The inner sleeve can be configured to engage the outer sleeve. In some embodiments, two or more pivot zones may be located between the inner sleeve and the outer sleeve to essentially prevent the first trunk section from tilting relative to the second trunk section.
    In some embodiments, a power cord can be configured to plug into a wall outlet and supply power to the first power distribution subsystem and the second power distribution subsystem.
    The embodiments of the present invention may further include a system for connecting the tree trunk sections of an artificial tree. The system may include a first current distribution subsystem having a male tip, and the male tip may have one or more electrical pins. The system may further include a second current distribution subsystem having a female tip, and the female tip may have one or more electrical voids. In certain embodiments, the electrical pin (s) of the first current distribution subsystem may engage in one or more electrical gaps of the second current distribution subsystem to conduct electricity between the first subsystem current distribution system and the second sub3064901 current distribution system. In some embodiments, the electrical pin (s) of the first current distribution subsystem may engage in one or more electrical gaps of the second current distribution subsystem in a plurality of configurations, and each configuration may allow a different rotational alignment between each first current distribution subsystem and the second current distribution subsystem.
    In some embodiments, a first electrical vacuum of the female end piece can be a circular groove vacuum.
    In some embodiments, a second electrical vacuum of the female tip may be a central vacuum located near the center of the female tip.
    In some embodiments, an electrical pin of the male endpiece can engage in the circular groove void at different locations around the circular groove void.
    The embodiments of the present invention may further include a connector system for electrically connecting a plurality of current distribution subsystems of a plurality of tree trunk sections which form an artificial tree. The connector system can include a male connector disposed on one end of a first tree trunk section of the plurality of tree trunk sections, and the male connector can have a center pin and a groove pin. The connector system may further include a female connector disposed on an opposite end of the first section of the tree trunk. The female end piece may have a central receiving void which may be located near the center of the female end piece and a groove receiving void which may be substantially round and disposed axially around the central receiving void.
    In some embodiments, a safety cover can obstruct access to the throat space. In some embodiments, the safety cover can be pushed in to allow access to the throat void.
    In some embodiments, the male end piece and the female end piece may include one or more coupling elements, and the one or more coupling elements may be configured to prevent the male end piece from rotating relative to the end piece. female.
    In some embodiments, the central receiving vacuum may include a central contact device, and the central contact device may have one or more flexible contact sections which can be configured to abut against an electrical pin.
    The above summarizes only a few aspects of the present invention and is not intended to reflect the full extent of the present invention. Additional features and advantages of the present invention are set forth in the detailed description and the drawings below, can be apparent from the detailed description and the drawings, or can be learned by practicing the present invention. In addition, the foregoing summary and detailed description are given by way of example and explanation and are intended to provide further explanation of the presently disclosed invention as claimed.
    BRIEF DESCRIPTION OF THE DRAWINGS
    The accompanying drawings, which are incorporated into and form part of this specification, illustrate several embodiments of the subject matter currently disclosed and are used to explain the principles of the subject matter currently disclosed. The drawings are in no way intended to limit the scope of the subject matter currently disclosed.
    Fig. 1 shows a perspective view of a female end piece of a tree trunk section, in accordance with certain embodiments of the present invention.
    Fig. 2 shows a perspective view of a male end piece of a tree trunk section, in accordance with certain embodiments of the present invention.
    Fig. 3a shows a perspective view of a female end piece of a tree trunk section near a male end piece of a tree trunk section, in accordance with certain embodiments of the present invention.
    Figs. 3b-c show cross-sectional views of a female end piece of a tree trunk section connected to a male end piece of a tree trunk section, in accordance with certain embodiments of the present invention.
    Fig. 4a shows a perspective view of a female end piece of a tree trunk section close to a male end piece of a tree trunk section, in accordance with certain embodiments of the present invention.
    Figs. 4b-c show cross-sectional views of a female end piece of a tree trunk section connected to a male end piece of a tree trunk section, in accordance with certain embodiments of the present invention.
    Figs. 5 shows a cross-sectional view showing current distribution subsystems of an assembled tree trunk, in accordance with certain embodiments of the present invention.
    Fig. 6 shows a profile view of an assembled tree trunk, in accordance with certain embodiments of the present invention.
    Fig. 7 shows a perspective view of a female end-piece of a tree trunk section, in accordance with certain embodiments of the present invention.
    Fig. 8 shows a cross-sectional and perspective view of a female end-piece of a tree trunk section, in accordance with certain embodiments of the present invention.
    Fig. 9 shows a central contact device with contact sections, in accordance with certain embodiments of the present invention.
    Fig. 10 shows a perspective view of a male end piece of a tree trunk section, in accordance with certain embodiments of the present invention.
    Fig. 11 shows a cross-sectional perspective view of a male end piece of a tree trunk section, in accordance with certain embodiments of the present invention.
    Figs. 12a-d show cross-sectional views of a female end piece of a tree trunk section connected to a male end piece of a tree trunk section, in accordance with certain embodiments of the present invention.
    Fig. 13 shows a cross-sectional perspective view of a female end piece of a tree trunk section connected to a male end piece of a tree trunk section, in accordance with certain embodiments of the present invention.
    Fig. 14a shows a perspective view of a male end piece of a tree trunk section with coupling elements, in accordance with certain embodiments of the present invention.
    Fig. 14b shows a perspective view of a female end piece of a tree trunk section with coupling elements, in accordance with certain embodiments of the present invention.
    Fig. 15 shows an assembled artificial Christmas tree, in accordance with certain embodiments of the present invention.
    DETAILED DESCRIPTION
    Even if the preferred embodiments of the invention are explained in detail, it should be understood that other embodiments are envisaged. Consequently, the scope of the invention does not claim to be limited to the details of construction and arrangement of the components set out in the description below or illustrated in the drawings. The invention allows other embodiments and can be implemented or produced in various ways. In addition, in the description of the preferred embodiments, specific terminology will be used for the sake of clarity.
    It should also be noted that the singular forms "un", "une" and "le", "la" as used in the specification and the appended claims include references to the plural, unless the contrary is evidently required context. References to a composition containing "a" constituent are intended to include other constituents in addition to the designated one.
    In addition, in the description of the preferred embodiments, terminology will be used for the sake of clarity. It is intended that each term takes on its broadest meaning as understood by those skilled in the art and includes all technical equivalents which function in a similar manner to accomplish a similar object.
    The ranges can be expressed herein as ranging from "approximately" or "approximately" or "substantially" to a given value and / or to "approximately" or "approximately" or "essentially" another given value. When such a range is mentioned, other representative embodiments include going from the given value and / or to the other given value.
    In these terms, the use of terms such as "having", "a", "including" or "includes" is flexible and these terms are intended to have the same meaning as terms such as "comprising" or "includes" and not not exclude the presence of other structures, materials or acts. Likewise, although the use of terms such as "may" or "may" is intended to be flexible and indicates that these structures, materials or acts are not necessary, the fact of not using these terms is not intended to indicate that these structures, materials or acts are essential. Insofar as these structures, materials or acts are then considered to be essential, they are identified as such.
    It should also be understood that the mention of one or more stages of a process does not exclude the presence of additional methods of the process or intermediate methods of the process between the stages expressly identified. Furthermore, although the term "step" may be used herein to refer to different aspects of the procedures employed, the term should not be interpreted as implying a particular order among or between various steps described herein unless the order of individual steps is explicitly imperative.
    The components described hereinafter as constituting various elements of the invention are intended to be illustrative and not restrictive. Many suitable components which would perform identical or similar functions to the components described herein are intended to be encompassed within the scope of the invention. Such other components not described herein may include for example, but not be limited to, similar components which are developed after the development of the currently disclosed object.
    To facilitate understanding of the principles and characteristics of the invention, various illustrative embodiments are explained below. In particular, the object currently disclosed is described in the context where it is an artificial tree feeding system. However, the present invention is not limited to it and may be applicable to other contexts. For example, and not limited to, certain embodiments of the present invention can improve other power systems, such as street lights, lamps, extension systems, power cord connection systems, and the like. These embodiments are contemplated within the scope of the present invention. Consequently, when the present invention is described in the context of a current transmission system for an artificial Christmas tree, it will be understood that other embodiments can replace those to which reference is made.
    When assembling an artificial tree, decorators generally want to illuminate the tree with one or more sets of lights, that is, garlands of light. String lights require electrical power and are usually connected in series. In many designs, at least one of the light strings is connected to a wall outlet to supply power to all the strings. When decorating a tree, the decorator can walk around the tree, placing the string lights in various places on the branches of the tree. In order to supply current to all strings, the usual light strings are provided with a first end in the form of a male end and a second end in the form of a female end.
    To provide power to multiple light strings, the decorator can insert the male end of one garland into the female end of another garland. Thus, the string of lights that is electrically connected to a wall outlet (or another electrical outlet) transfers electrical energy from the outlet to the following strings. In some traditional systems, the string lights can have several electrical connection points, offering a connection in parallel or in series. However, current usually flows from a chain connected to the electrical outlet to one or more strings downstream.
    Providing electricity from the outlet to one or more string lights can be tedious and frustrating for a decorator. In order to link several light garlands together, the decorator will need either to connect the garlands before placing them on the tree, or to connect the garlands once they have been placed on the tree. If the decorator links several garlands of light together, in order to "wrap" the tree with the garlands, he often has to walk around the tree, wearing the various garlands. If the decorator is waiting for the garlands to be placed on the tree, he will need to reach the branches of the tree and electrically connect the garlands. The decorator will also probably need to manipulate the garlands in order to connect them together. This process can be difficult and can take a long time.
    In order to alleviate the associated problems and the supply of power to string lights on traditional artificial trees, and to provide other advantages, the present invention includes a current transmission system for an artificial tree. In an exemplary embodiment, an artificial tree trunk includes tree trunk sections which are engaged with each other to form the trunk of an artificial tree. At least some of the tree trunk sections may have hollow spaces. Inside the hollow spaces there may be current distribution subsystems. In some embodiments, a current distribution subsystem may include a female tip, a male tip, or both, located near the ends of the tree trunk sections. In certain embodiments, when a section of tree trunk is engaged in another section of tree trunk, the male end piece of a current distribution subsystem engages in the female end piece of a neighboring current distribution subsystem and is electrically connected to the latter. Thus, by electrically connecting a current distribution subsystem of a section of tree trunk to a socket, the electric current flows from the socket to this section of tree trunk, and of this section of trunk from tree to other tree trunk sections.
    There are various systems to facilitate the attachment of the male and female ends of the current distribution subsystems. Although traditional plug and socket systems can be used, for example those manufactured to NEMA standards, in some cases it may be difficult in traditional designs to align the male pins of a tree trunk section with the female holes of another section of tree trunk. In order to engage the male end piece in the female end piece, the person performing the assembly must often vertically align the tree trunk sections so that the male pins of the male end piece are not inclined relative to the female end piece to prevent insertion of the male pins. The assembler must also rotate the two sections of the tree trunk to allow the pins to be aligned with the female holes. Even if the tree trunk sections are perfectly vertical, in traditional systems the male pins can only engage in the female holes if the male pins are rotated with the female holes. Otherwise, the male pins will abut against the area surrounding the female holes, preventing the insertion of the male pins. Trying to align the male pins and female holes can therefore be time consuming and a frustrating experience for a user.
    To alleviate this problem, in one embodiment, the present invention includes a female tip having a central vacuum to receive a first male pin from the male tip and a groove vacuum disposed around the central vacuum to receive a second male pin. In this configuration, the person who assembles the tree trunk sections may be less concerned with the rotational or angular displacement of the two tree trunk sections, since the groove makes it possible to engage the male end piece at the level of different angular displacements. In exemplary embodiments, the groove is arranged 360 degrees around the central void so that, regardless of the angular displacement between the tree trunk sections, the male pins can engage in female voids. This can make the assembly process much easier and more enjoyable for a user.
    The embodiments of the present invention can also be used in various systems. For example, some embodiments can be used in low voltage systems, and other embodiments can be used in normal higher voltage systems.
    Referring now to the figures, in which identical reference numerals represent identical parts in all the views, embodiments given by way of example will be described in detail.
    Fig. 1 shows an embodiment given by way of example of a female end piece 105 of a current distribution subsystem 305 of a tree trunk section 100. In certain embodiments, the female end piece 105 may have one or more electrical voids for receiving current from a male end piece of a current distribution subsystem 305 of a tree trunk section 100, or for distributing current to said male end piece. The female end piece 105 may include a central receiving vacuum 110 to engage with a pin of a male end piece and a groove receiving vacuum 115 to engage with another pin of a male end piece.
    In some embodiments, the gaps 110, 115 may be depressions or openings which receive and engage with other electrical connectors, such as pins, and which allow the electrical connectors to conduct electrical current through the trunk of the tree. In certain embodiments, the central receiving vacuum 110 can be located near the center of the female end piece 105. The groove receiving vacuum 115 can therefore be a round or circular groove which encircles the central receiving vacuum 110. In therefore, the central receiving vacuum 110 may be located near the center of the groove receiving vacuum 115.
    Fig. 2 represents an embodiment given by way of example of a male end piece 205 of a current distribution subsystem 305 of a section of tree trunk 100. In certain embodiments, the male end piece 205 may have one or more pins for receiving current from a female tip 105 from a current distribution subsystem 305 of a tree trunk section 100 or for distributing current to said female tip. In some embodiments, the male end piece 205 includes two pins. A first pin can provide a "positive" path for electricity and a second pin can provide a "negative" path for electricity.
    As shown in Fig. 2, the male end piece 205 can have a central male pin 210 and a male groove pin 215. In certain embodiments, the central male pin 210 can be dimensioned and shaped to accommodate inside the central receiving vacuum 110 and engage therein, and the male groove pin 215 can be sized and shaped to accommodate inside the groove receiving void 115 and engage therein. In some embodiments, when the central male pin 210 and the male groove pin 215 of the male end piece 205 are inserted into the central receiving vacuum 110 and the groove receiving vacuum 115 of the female end piece 105, respectively , the electric current can be routed from the male end piece 205 to the female end piece 105, or vice versa, depending on the direction of the electric current flow. In this way, electrical current can be routed from a first current distribution subsystem 305 to a second current distribution subsystem 305.
    As shown in Figs. 1 and 2, having the groove receiving vacuum 115 arranged in a circular manner around the central receiving vacuum 110 of the female end piece 105, the assembly problems relating to the angular relationship (i.e. the rotational alignment) of the male end piece 205 and the female end piece 105 can be reduced or eliminated. In other words, the central male pin 210 can be located in the center of the male end piece 205, and the central receiving vacuum 210 can be located in the center of the female end piece 105, which allows the central male pin 210 and the central receiving vacuum 210 to be aligned whatever the rotational alignment of the male end piece 205 and the female end piece 105. In addition, the male groove pin 215 of the male end piece 205 can be inserted at different locations along the groove receiving void 115 of the female end piece 105, while establishing and maintaining an electrical connection between the female end piece 105 and the male end piece 205. More specifically, the throat pin 215 can engage the groove receiving void 115 in a plurality of configurations, and each configuration can allow for different rotational alignment between the two trunk sections 100. This design allows the male end piece 205 and the ’Female connector 105 to engage electrically regardless of the angular relationship, or rotational alignment, between male connector 205 and female connector 105.
    In certain embodiments, the angular displacement between trunk sections 100 in connection is therefore not problematic during assembly because the trunk sections 100 can be connected at the level of any angular displacement. Therefore, a person who assembles a Christmas tree using an embodiment of the present invention can more easily assemble the various trunk sections 100 without having to rotate the male endpiece 205 with the female endpiece 105.
    In addition, since certain embodiments of the present invention allow rotation once assembled, the person carrying out the assembly of the Christmas tree can rotate the different trunk sections to a certain extent after assembly for get the look you want. However, in some embodiments, as shown in Figs. 1 and 2, the male end piece 205 and the female end piece 105 may comprise one or more alignment mechanisms 125, 225. The alignment mechanism 125, 225 may comprise ribs and grooves, or similar structures such as notches, bumps or teeth. In certain embodiments, the ribs and grooves of the alignment mechanism 125 of the female end piece 105 and the ribs and grooves of the alignment mechanism 225 of the male end piece 205 can engage when the female end piece 105 and the male end piece 205 are connected. This engagement can prevent the trunk sections 100 from rotating relative to each other. It may be advantageous to prevent rotation for a user who wishes to prevent parts of a tree from rotating after assembly, for example when the user decorates the tree with lights and other accessories.
    In certain embodiments, the central male pin 210 and / or the male groove pin 215 can be spring-mounted. For example, when the male end piece 205 is physically disconnected from the female end piece 105, the central male pin 210 and / or the male groove pin 215 can be embedded or retracted. Similarly, when the male end piece 205 is physically connected to the female end piece 105, the central male pin 210 and / or the male groove pin 215 can be extended, under the action of a spring, to ensure a electrical connection. Using spring loaded pins 210, 215 can help reduce wear on pins 210, 215 and can also help reduce the risk of electric shock when the center male pin 210 and / or the throat male pin 215 are on.
    The embodiments of the present invention may include a central receiving vacuum 110 and / or a groove receiving vacuum 115 with spring loaded safety covers. More specifically, the central receiving vacuum 110 and / or a groove receiving vacuum 115 may have one or more covers which obstruct access to the voids when they are not engaged with the pins of a male end piece 205. From this In this way, the safety covers can prevent a user from inadvertently inserting a finger or other object into the voids and receiving an electric shock. The covers can be spring loaded so that they can be pushed in by the pins of the male end piece 205 when the male end piece 205 and the female end piece 105 are connected.
    In some embodiments, it may be desirable to have a guide system, for example a sleeve system, which assists the person performing the assembly in aligning the different sections of tree trunk relative to each other during assembly. In some embodiments, a sleeve system can also help hold the tree trunk sections together when assembled, and can prevent the assembled tree from wobbling or staggering.
    Fig. 1 shows the outer sleeve 120 and FIG. 2 shows the inner sleeve 220 of a sleeve system. As shown in Figs. 1 and 2, the outer sleeve 120 is arranged near the female end piece 105 and the inner sleeve 220 is arranged near the male end piece 205. However, in certain embodiments, the outer sleeve 120 is arranged near the male end piece 205 and the inner sleeve 220 is disposed near the female end piece 105.
    When a person performing the assembly connects the female end piece 105 to the male end piece 205, and thus connects their respective tree trunk sections 100, the outer sleeve 120 and the inner sleeve 220 can engage and serve as guides to assist in joining the two tree trunk sections 100. In addition, the use of a sleeve system, such as an outer sleeve 120 and an inner sleeve 220, can provide additional benefits. For example, the inside diameter of the outside sleeve 120 can be of the same dimension, or practically the same dimension, as the outside diameter of the inside sleeve 220 to ensure good support between the female end piece 105 and the male end piece 205. This can help provide lateral support to the tree trunk sections 100, reducing the risk that a force applied to one of the tree trunk sections 100 will cause separation of the tree trunk sections 100. An example of a sleeve system can be found in joint US patent application 12 / 982,015, entitled "Connector System", the contents of which are incorporated herein by reference.
    Figs. 3a-c show the process of connecting a male end piece 205 of a current distribution subsystem 305 to a female end piece 105 of a current distribution subsystem 305. Referring to FIG. 3a, we can see a male end piece 205 of a first tree trunk section 100 and a female end piece 105 of a second tree trunk section 100 in a disconnected configuration. When assembling a shaft, in accordance with various embodiments of the present invention, a user can connect the trunk sections 100 by connecting the male end piece 205 to the female end piece 105. More specifically, the user can vertically align the trunk sections 100, as shown in FIG. 3b, which is a cross-sectional view. Once the vertical alignment has been achieved, or at least alignment sufficient to allow the junction, the person carrying out the assembly can bring one section of trunk 100 closer to the other section of trunk 100 until the trunk sections 100 engage and are connected, as shown in Fig. 3c. Thus, the person carrying out the assembly also connected the male end piece 205 to the female end piece 105, ensuring an electrical connection between the two trunk sections 100 shown. More particularly, the central male pin 210 is inserted into the central receiving vacuum 110 and the male groove pin 215 is inserted into the groove receiving vacuum 115, allowing electricity to flow between the male end piece 205 and the female connector 105.
    In some embodiments, flexibility in the rotational alignment of the tree trunk sections 100 is not necessary or desired. In such a configuration, traditional electrical connection systems can be used. This is illustrated by way of example in Figs. 4a-c. In some embodiments, as shown in Figs. 4a-b, a current male connector 405 and / or a female connector 410 can be integrated into a current distribution subsystem 415. The male connector 405 and the female connector 410 can be placed between connector fixings 420 which hold the connectors in place. The plugs can then be aligned, and the trunk sections connected so that the male pins of the male plug 405 are inserted into the female voids of the female plug 410, as shown in FIG. 4c.
    Fig. 5 shows a cross section of an embodiment of the present invention given by way of example. Three trunk sections 100 and two connection zones 505 are shown. The connection zones 505 are zones where the female end piece 105 of a current distribution subsystem 305 of a trunk section 100 and the male end piece
    205 of a current distribution subsystem 305 of another trunk section 100 meet. Therefore, the connection areas 505 are areas where the trunk sections 100 are connected.
    As shown in Fig. 5, a current distribution subsystem 305 may include a female end piece 105, a male end piece 205, and one or more electrical wires 510. The wires 510 allow electricity to flow through the trunk sections 100 and between the male and female ends 205, 105 of the current distribution subsystems 305. Consequently, the wires 510, which are part of the current distribution subsystems 305, allow the current to flow from a power source , for example a wall outlet, through the tree and up to certain accessories, for example one or more lights or fairy lights. Lights or string lights can therefore be turned on when power is supplied to the tree.
    In certain embodiments, it may be desirable to provide one or more electrical sockets 515 on the trunk sections 100 along the length of the assembled shaft. Therefore, one or more current distribution subsystems 305 may include one or more electrical outlets 515. Outlets 515 may be configured to receive power from wires 510 to allow a user to connect devices, for example. example of string lights or other electrical components. By providing a convenient place to plug in lights, 515 jacks can reduce the effort required to decorate a tree. More specifically, a user can plug a string of lights directly into an outlet 515 on a trunk section 100, instead of having to connect a series of strings together, which can be tedious and frustrating for a user.
    The embodiments of the present invention may further comprise string lights which are integrally integrated into the current transmission system. Therefore, the lights can be connected to wires 510 without the need for 515 plugs, although 515 plugs can be included as an option. Such embodiments may be desirable for trees which are pre-decorated with lights, for example.
    In some embodiments, one or more trunk sections 100 may include a power cord 520 for receiving power from an external power source, such as a wall outlet. The 520 power cord can be configured to engage a power source and distribute power to the rest of the tree. More specifically, current can flow from the wall outlet, through the power cord, through the current distribution subsystem (s) 305, and through accessories on the shaft, such as lights or light garlands. In certain embodiments, the power cord 520 may be located on a lower trunk section 100 of the tree for reasons of convenience and appearance, that is to say that the power cord is near wall outlets and exits the tree in a location that is not immediately visible.
    The embodiments of the present invention may also include a bottom section 525 of one or more trunk sections 100. The bottom section 525 may be of essentially conical shape, and may be configured to engage in a support for the tree (not shown). As a result, the lower section 525 can be inserted into the support, and the support can support the shaft, generally in a substantially vertical position.
    In some embodiments, as shown in FIG. 5, it may be advantageous for a lowest trunk section 100 of a tree to include a female end piece 105 of a current distribution subsystem 305. During assembly, a male end piece 205 of a sub current distribution system 305 of a neighboring trunk section 100 can be connected to the female end piece 105 of the lowest trunk section 100. This can improve safety during assembly as the exposed male pins are not energized, i.e. there is no electricity flowing through them until they are introduced into the female end piece 105. On the contrary, if the lowest trunk section includes a male end piece 205, the live pins can be exposed, and this can cause an accidental electric shock. Ideally, the power cord 520 is not plugged into a wall outlet until the tree is fully assembled, but the embodiments of the present invention are intended to reduce the risk of injury if the tree is connected prematurely.
    In addition, in some embodiments, all of the trunk sections 100 can be configured so that the female end piece 105 is the bottom end, and the male end piece 205 is the top end. In this way, if the power cord is plugged in during assembly, the risk of injury is reduced because the live male pins are not exposed.
    Fig. 6 is an external profile view of a tree trunk assembled in accordance with various embodiments of the present invention. Three sections of tree trunk 100 are assembled and physically connected to each other to support the tree. As noted above, it may be desirable to use a sleeve system to hold a tree trunk section 100 on another tree trunk section 100, and the outer sleeves 120 of the sleeve system are also shown on Fig. 6. The electrical outlets 515 and the power cord 520 are also shown.
    Other embodiments of the present invention may include additional features, different features and / or different combinations of features compared to the embodiments described above. Some of these embodiments are described below.
    Fig. 7 shows an embodiment given by way of example of a female end piece 700 of a current distribution subsystem 1205 of a section of tree trunk 100. Like the embodiments described above, the female end piece 105 may have one or more electrical voids for receiving current from a male end piece of a tree trunk section 100 or for distributing current to said male end piece. In the embodiment shown in FIG. 7, the female end piece 700 can comprise a central receiving vacuum 705 to engage with a pin of a male end piece and a groove receiving vacuum 710 to engage with another pin of a male end piece. In some embodiments, the groove receiving vacuum 710 can be protected by a safety cover 715 when it is not engaged with a pin of a male end piece. The 720 socket, as described above, is also shown.
    Fig. 8 shows a cross section of a female end piece 700 of a current distribution subsystem 1205, such as the female end piece 700 shown in FIG. 7. The interior of the central receiving vacuum 705 and the groove receiving vacuum 710 is shown. The central contact device 805 and the groove contact device 810 are also shown.
    The central contact device 805 can be at least partially arranged inside the central receiving vacuum 705, and can be designed to make electrical contact with a pin inserted in the central receiving vacuum 705. Similarly, the groove contact device 810 can be at least partially arranged inside the groove receiving vacuum 710, and can be designed to make electrical contact with a pin inserted in the groove receiving vacuum 710. In this way , the central contact device 805 and the groove contact device 810 can conduct the current from a male connector to a female connector 700, or from a female connector 700 to a male connector, from a distribution subsystem current.
    The safety cover 715 and the spring element 815 are also shown in FIG. 8. The safety cover 715 can provide a cover for the groove receiving vacuum 710 when the female end piece 700 is not engaged with a male end piece. The safety cover 715 can therefore prevent a person from inadvertently touching the throat contact device 810, which could cause an electric shock. The safety cover 715 can also prevent various elements from entering the groove receiving vacuum 710 and causing damage to or blocking access to the groove contact device 810. The safety cover 715 can be supported by the spring element 815, which can apply force to the safety cover 715 to obstruct access to the groove receiving vacuum 710 when it is not in use. When a male end piece is connected to the female end piece 700, the pins of the male end piece can push against the safety cover 715. This can cause the spring element 815 to bend and sink, by pushing in the cover. security 715 and thereby giving access to the groove receiving vacuum 710 and to the groove contact device 810.
    The female end piece 700 may further comprise a security barrier 820 at the opening of the central receiving vacuum 705. The security barrier 820 may comprise an opening 830 which may be of the same dimensions, or practically of the same dimensions, than a pin of a male tip which is inserted through the security barrier 820. In some embodiments, therefore, the opening 830 of the security barrier 820 may be too small to accommodate a finger, and may therefore preventing a user from inserting his finger into the receiving vacuum 705 and receiving an electric shock. The opening 830 can also be small enough to prevent the insertion of many other foreign objects, such as metal cooking utensils, for example.
    As shown in Fig. 9, in some embodiments, the central contact device 805 may have one or more contact sections 905 which use the action of a spring to establish contact with a pin inserted in the central receiving vacuum 705. More specifically , the contact sections 905 can be configured so as to be in contact with a pin when the pin is inserted into the central receiving vacuum 705. When the pin is inserted further into the vacuum, the pin can come into abutment against the contact sections 905, by pushing contact sections 905 outward, and causing contact sections 905 to rest against (i.e., press against) the pin. In this way, the spring action of the contact sections 905 can ensure that the electrical connection between the contact sections 905 and the pin is effective in transferring the electric current. In addition, contact sections 905 can be large enough to ensure an efficient electrical connection.
    Fig. 10 shows an embodiment given by way of example of a male connector 1000 of a current distribution subsystem 1205 of a section of tree trunk 100. As in the embodiments described above, the the male end piece 1000 may have one or more pins for receiving current from a female end piece 700 of a tree trunk section 100, or for distributing current to said female end piece. As shown in Fig. 10, the male end piece 1000 can have a central male pin 1005 and a male throat pin 1010. In certain embodiments, when the central male pin 1005 and the male throat pin 1010 of the male end piece 1000 are inserted into the central receiving vacuum 705 and the groove receiving vacuum 710 of the female end piece 700, respectively, the electric current can be conducted from the male end piece 1000 to the female end piece 700, or vice versa, depending on the direction of the Electric power.
    Fig. 11 shows a cross section of a male end piece 1000 of a current distribution subsystem, such as the male end piece 1000 shown in FIG. 10. The central male pin 1005 and the male groove pin 1010 are both shown. In some embodiments, as shown in FIG. 11, the central male pin 1005 has a rounded end which allows the central male pin to engage in the contact sections 905 of the central contact device 805 and to separate them. In this way, after being separated, the contact sections 905 of the central contact device 805 can come into abutment against the central male pin 1005, ensuring an efficient electrical connection.
    In some embodiments, the male groove pin 1010 may be a flexible pin which flexes when it comes into contact with the groove contact device 810. More specifically, the male groove pin 1010 can flex inward and toward the outside, as required, when it slides into the groove receiving vacuum 710 and abuts against the groove contact device 810. The male groove pin 1010 can be sufficiently resilient to bend, or press against the groove contact device 810, thereby ensuring an efficient electrical connection between the male groove pin 1010 and the groove contact device 810.
    In some embodiments, the male groove pin 1010 may include a contact area 1015 which extends from the pin to engage the groove contact device 810, thereby facilitating contact between the male groove pin 1010 and the groove contact device 810. In some embodiments, the male groove pin 1010 may further include a pushing surface 1020. The pushing surface 1020 can be configured to apply force to the safety cover 715 , thereby pushing in the safety cover 715 as the male end piece 1000 and the female end piece 700 are connected.
    Figs. 8 and 11 show that the male end piece 1000 of a current distribution subsystem and the female end piece 700 of a current distribution subsystem can comprise conductors 825, 1105. The conductors 825, 1105 can be electrically connected to the central male pin 1005, and / or to the male groove pin 1010, and / or to the central contact device 805, and / or to the groove contact device 810. In certain embodiments, therefore , the conductors 825, 1105 can be electrically connected to the wires of the current distribution subsystem 1205 to provide an electrical connection between a male end piece 1000 and a female end piece 700 of a current distribution subsystem 1205.
    Figs. 12a-d are cross-sections showing the connection of a male end piece 1000 of a current distribution subsystem 1205 with a female end piece 700 of a current distribution subsystem 1205. Referring to FIGS. 12a and 12b, we can see the male end piece 1000 of a first tree trunk section 100 and the female end piece 700 of a second tree trunk section 100 in an unconnected configuration. Fig. 12a shows a front cross-sectional view of this configuration, while FIG. 12b shows a cross-sectional profile view. When assembling a tree, in accordance with various embodiments of the present invention, the person performing the assembly can connect trunk sections 100 by connecting the male end piece 1000 to the female end piece 700. Initially, the person carrying out the assembly the assembly can vertically align the trunk sections 100, as shown in Figs. 12a-b. Once the vertical alignment has been achieved, or at least alignment sufficient to allow the junction, the person carrying out the assembly can bring one section of trunk 100 closer to the other section of trunk 100 until the trunk sections 100 engage, as shown in Figs. 12c-d. Fig. 12c shows a cross-sectional profile view of this configuration, while FIG. 12d shows a front cross-sectional view. By connecting the male end piece 1000 and the female end piece 700 as described above, the person carrying out the assembly ensures an electrical connection between the two current distribution subsystems 1205.
    In order to provide an efficient electrical connection, in some embodiments, the central male pin 1005, the male groove pin 1010, the central contact device 805 and the groove contact device 810 may include an electrically conductive material. In some embodiments, for example, the central male pin 1005, the male groove pin 1010, the central contact device 805 and the groove contact device 810 may include copper and / or a copper alloy and / or any other conductive material.
    As shown in Figs. 12c and 12d, when the male endpiece 1000 and the female endpiece 700 are connected, the safety cover 715 is pushed into an open position. This allows the male groove pin 1010 to enter the groove receiving vacuum 710 and establish electrical contact with the groove contact device 810. In addition, the central male pin 1005 can establish contact with the contact sections 905 of the central contact device 805, thereby ensuring the electrical connection between the male end piece 1000 and the female end piece 700 of two current distribution subsystems 1205.
    As described above, in certain embodiments, the groove receiving vacuum 710 is arranged in a circular fashion around the central receiving vacuum 705, which alleviates many problems concerning the angular rotation of the male end piece 1000 and of the female end fitting 700 during assembly. More specifically, the male groove pin 1010 can be inserted at different positions or different locations along the groove receiving vacuum 710, and establish and maintain an electrical connection between the female end piece 700 and the male end piece 1000.
    Fig. 13 shows a cross-sectional and perspective view of two connected trunk sections 100. In some embodiments, the connected trunk sections 100 may include one or more pivot zones. A first pivot zone 1305 can be arranged near the zone where the male end piece 1000 and the female end piece 700 meet. A second pivot area 1310 may be located near an area where the outer sleeve ends
    1315. In certain embodiments, the pivot zones can be zones where the inner sleeve 1320 and the outer sleeve 1315 are in close contact. Therefore, including two pivot zones can prevent the trunk sections 100 from tipping over when connected. This can be beneficial because it can allow the assembled tree to maintain balance, thereby preventing the tree from accidentally overturning.
    Fig. 14a shows an embodiment given by way of example of a male end piece 1000 of a current distribution subsystem 1205 of a section of tree trunk 100. In certain embodiments, the male end piece 1000 may include one or more first coupling elements 1405. In some embodiments, the first coupling elements 1405 may be protrusions that extend inward or outward near the sides of the male end piece 1000. In other embodiments, the first coupling elements 1405 can be notches, grooves, tabs, slots, and the like.
    Fig. 14b shows an embodiment given by way of example of a female end piece 700 of a current distribution subsystem 1205 of a section of tree trunk 100. As shown, the end piece female 700 may include one or more second coupling elements 1410. In certain embodiments, the second coupling elements 1410 may be protuberances which extend inward or outward near the sides of the nozzle female 700. In other embodiments, the second coupling elements 1410 may be notches, grooves, tabs, slots and the like.
    When two trunk sections 100 are connected, so as to be in electrical communication, the first coupling elements 1405 of the male end piece 1000 and the second coupling elements 1410 of the female end piece 700 can engage. Coupling elements that engage can prevent the two trunk sections 100 from rotating relative to each other after assembly of the shaft is complete. This can be beneficial as it allows a user to align and maintain the trunk sections 100, and therefore the branches of the tree, in a desired configuration. Consequently, the trunk sections 100 and the branches can no longer turn later and leave this configuration when the tree is decorated or else touched, pulled, struck, etc.
    The Lig. 15 shows a completed tree 1500 in accordance with certain embodiments of the present invention. The tree was assembled by electrically connecting various trunk sections as described herein, and was decorated according to the tastes of a user.
    Even if the present disclosure has been described in connection with a plurality of aspects given by way of example, as illustrated in the different figures and indicated above, it should be understood that other similar aspects can be used or that modifications and additions may be made to the aspects described to accomplish the same function of this disclosure without departing from it. For example, in various aspects of the disclosure, methods and compositions have been described in accordance with aspects of the subject matter currently disclosed. However, other methods or compositions equivalent to these described aspects are also contemplated by the teachings contained herein. Therefore, the present disclosure should not be limited to one aspect, but should instead be interpreted broadly and broadly in accordance with the appended claims.
    权利要求:
    Claims (10)
    [1" id="c-fr-0001]
    1. Artificial tree (1500), comprising a plurality of tree trunk sections, the trunk sections forming a trunk of the artificial tree characterized in that it comprises:
    a first trunk section comprising:
    a male end piece (1000) of the first trunk section comprising a plurality of separate coupling elements (1405) extending radially; and a central male pin (1005) and a male groove pin (1010), the central male pin (1005) and the male groove pin (1010) being configured to conduct an electric current, and a second trunk section comprising:
    a female end piece (700) of the second trunk section comprising a plurality of separate coupling elements (1410) extending radially; and a central contact device (805) at least partially arranged in a central receiving void (705) and a groove contact device (810), at least partially arranged in a throat receiving void (710);
    and in that the central male pin (1005) is configured to be connected with the central contact device (805) and the male groove pin (1010) is configured to be connected with the groove contact device (810) according to a plurality of configurations, each configuration allowing different rotational alignment between the first trunk section and the second trunk section.
    and in that when the two trunk sections (100) are connected, so as to be in electrical communication, the first coupling elements (1405) of the male end piece (1000) and the second coupling elements (1410 ) of the female end piece (700) engaging so as to prevent the two trunk sections (100) from rotating relative to each other.
    [2" id="c-fr-0002]
    2. Artificial tree (1500) according to claim 1, characterized in that each coupling element (1405) comprises a first and a second opposite upper surface, each of the first and second opposite upper surfaces extending radially and tilting circumferentially downward, and in that each coupling element (1410) includes first and second opposite upper surfaces, each of the first and second opposite upper surfaces extending radially and circumferentially tilting downward.
    [3" id="c-fr-0003]
    3. Artificial tree according to claim 1 or 2, characterized in that the groove receiving void (710) is circular and in that the central receiving void (705) of the second trunk section is disposed near the center of the groove receiving vacuum (710).
    [4" id="c-fr-0004]
    4. Artificial tree according to any one of claims 1 to 3, characterized in that the central receiving void (705) of the second trunk section is arranged on a vertical section of the second trunk section and the receiving void throat (710) of the second trunk section is disposed around said vertically extending section.
    [5" id="c-fr-0005]
    5. An artificial tree according to any one of claims 1 to 4 further comprising a socket (515) disposed on a trunk section (100), the socket being configured to supply electric current to a light garland.
    [6" id="c-fr-0006]
    6. Artificial tree according to any one of claims 1 to 5, characterized in that it further comprises a light garland electrically connected to the central male pin (1005) and male groove pin (1010) of the first trunk section or the central contact device (805) and groove contact device (810) of the second trunk section.
    [7" id="c-fr-0007]
    7. An artificial tree according to any one of claims 1 to 6 further comprising a safety cover (715) for obstructing access to the throat space.
    [8" id="c-fr-0008]
    8. An artificial tree according to any one of claims 1 to 7 characterized in that the first trunk section comprises an inner sleeve (1320) near one end of the first trunk section, and in that the second section of trunk includes an outer sleeve (1315) near one end of the second trunk section, the inner sleeve being configured to engage the outer sleeve.
    [9" id="c-fr-0009]
    9. Artificial tree according to any one of claims 1 to 8, characterized in that two or more pivot zones (1305, 1310) between the inner sleeve (1320) and the outer sleeve (1315) essentially prevent the first section of trunk to tip over from the second trunk section.
    [10" id="c-fr-0010]
    10. Artificial tree according to any one of claims 1 to 9, characterized in that it further comprises a power cord (520), the power cord being configured to engage in a wall outlet and provide current to a first current distribution subsystem (1205) and to a second current distribution subsystem (1205).
    125
    305
    220
    3/18
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    同族专利:
    公开号 | 公开日
    GB2539339A|2016-12-14|
    US10522954B1|2019-12-31|
    US20150157159A1|2015-06-11|
    GB2539339B|2017-04-26|
    GB2496290B|2016-04-27|
    US10985513B2|2021-04-20|
    US9912109B2|2018-03-06|
    FR2981837A1|2013-05-03|
    GB2532898B|2017-01-18|
    US20210376540A1|2021-12-02|
    US20140087094A1|2014-03-27|
    US20210376541A1|2021-12-02|
    US20130108808A1|2013-05-02|
    US10404019B2|2019-09-03|
    US10777949B2|2020-09-15|
    GB201602223D0|2016-03-23|
    US20170040755A1|2017-02-09|
    US8959810B1|2015-02-24|
    US11095078B2|2021-08-17|
    US8863416B2|2014-10-21|
    GB201219319D0|2012-12-12|
    GB2532898A|2016-06-01|
    US20190081442A1|2019-03-14|
    FR3064901B1|2021-08-27|
    GB201615181D0|2016-10-19|
    US20200136324A1|2020-04-30|
    FR2981837B1|2018-05-18|
    US20200021067A1|2020-01-16|
    US9119495B2|2015-09-01|
    US20150072087A1|2015-03-12|
    US9843147B2|2017-12-12|
    US20180198245A1|2018-07-12|
    GB2496290A|2013-05-08|
    US20190386440A1|2019-12-19|
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    法律状态:
    2018-04-13| PLFP| Fee payment|Year of fee payment: 6 |
    2018-10-26| PLFP| Fee payment|Year of fee payment: 7 |
    2019-09-27| PLFP| Fee payment|Year of fee payment: 8 |
    2020-10-23| PLFP| Fee payment|Year of fee payment: 9 |
    2021-02-19| PLSC| Publication of the preliminary search report|Effective date: 20210219 |
    2021-10-29| PLFP| Fee payment|Year of fee payment: 10 |
    优先权:
    申请号 | 申请日 | 专利标题
    US201161552944P| true| 2011-10-28|2011-10-28|
    US61552944|2011-10-28|
    FR1260233A|FR2981837B1|2011-10-28|2012-10-26|CONSTRUCTION OF ELECTRICALLY POWERED SHAFT|
    FR1852965A|FR3064901B1|2011-10-28|2018-04-05|ELECTRICALLY POWERED SHAFT CONSTRUCTION|FR1852965A| FR3064901B1|2011-10-28|2018-04-05|ELECTRICALLY POWERED SHAFT CONSTRUCTION|
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